Abstract Role-Based Access Control (RBAC) is one of the most used models in designing
and implementation of security policies, in large networking systems. Basic RBAC model …

SystemsRole-based access control (RBAC) has been widely used in information systems
including so-called critical systems. Access control models describe the frameworks that …

Cloud computing allows to move computing and storage components from individual
systems into the cloud, which provides software and hardware services over the Internet. A …

Managing physical access control policies is a complex task. To check that policy changes
do not introduce security or configuration mistakes, formal verification can be employed …

Today collaborative applications may enable collaboration among users from the same or
different tenants of a given cloud provider. During such collaborations, the participants need …

Access control policies models provide effective approach to control users actives to allow or
deny action to user or group within the resources. This mechanism allowed us to verify the …

Cloud computing allows to move computing and storage components from individual
systems into the cloud, which provides software and hardware services over the Internet. A …

Untitled Page 1 Page 2 APPROVAL SHEET Title of Dissertation: A Framework for Enforcement of
Purpose-Based Access Control Name of Candidate: Shawn Johnson Dissertation and Abstract …

This thesis tackles the problem of formal modelling and verification of security policies in
cloud computing. Indeed, our research focuses on the modelling and the verification of …